Revert of Deprecate VCMPacketizationCallback::SendData and use EncodedImageCallback instead.

webrtc/modules/video_coding/video_coding_impl.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 36 matching lines @@
   EncodedImageCallbackWrapper()
       : cs_(CriticalSectionWrapper::CreateCriticalSection()), callback_(NULL) {}
 
   virtual ~EncodedImageCallbackWrapper() {}
 
   void Register(EncodedImageCallback* callback) {
     CriticalSectionScoped cs(cs_.get());
     callback_ = callback;
   }
 
+  // TODO(andresp): Change to void as return value is ignored.
   virtual int32_t Encoded(const EncodedImage& encoded_image,
                           const CodecSpecificInfo* codec_specific_info,
                           const RTPFragmentationHeader* fragmentation) {
     CriticalSectionScoped cs(cs_.get());
     if (callback_)
       return callback_->Encoded(encoded_image, codec_specific_info,
                                 fragmentation);
     return 0;
   }
 
@@ skipping 270 matching lines @@
     NackSender* nack_sender,
     KeyFrameRequestSender* keyframe_request_sender) {
   assert(clock);
   assert(event_factory);
   return new VideoCodingModuleImpl(clock, event_factory, false, nullptr,
                                    nullptr, nack_sender,
                                    keyframe_request_sender, nullptr);
 }
 
 }  // namespace webrtc